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Lattice instability and high-Tcsuperconductivity inLa2−xBaxCuO4
Abstract
${\mathrm{La}}_{1.85}$${\mathrm{Ba}}_{0.15}$${\mathrm{CuO}}_{4}$ exhibits high-${\mathrm{T}}_{\mathrm{c}}$ superconductivity with an onset temperature near 33 K as measured by resistivity and magnetic susceptibility. The nonsuperconducting end-member compound, ${\mathrm{La}}_{2}$${\mathrm{CuO}}_{4}$, which has an orthorhombic, Cmca structure, exhibits semiconducting behavior. The orthorhombic distortion is proposed to result from a Peierls 2${\mathrm{k}}_{\mathrm{F}}$ instability or a soft zone-boundary phonon mode. The role of Ba is to suppress the instability and stabilize a higher-symmetry tetragonal, I4/mmm structure which is metallic and superconducting.
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Citations
Cites
Possible highT c superconductivity in the Ba?La?Cu?O system
Bednorz, J. G., & M�ller, K. A. (1986) · Zeitschrift f�r Physik B Condensed Matter · doi:10.1007/bf01303701 · Cited by 14,319
Electron paramagnetic resonance of transition ions
Abragam, A., & BLEANEY, B. (1970) · CERN Document Server (European Organization for Nuclear Research) · Cited by 9,006
Cited by
Electronic structure of the high-temperature oxide superconductors
Pickett, W. E. (1989) · Reviews of Modern Physics · doi:10.1103/revmodphys.61.433 · Cited by 1,437
Large-n limit of the Heisenberg-Hubbard model: Implications for high-Tcsuperconductors
Affleck, I., & Marston, J. B. (1988) · Physical Review B · doi:10.1103/physrevb.37.3774 · Cited by 1,304
Antiferromagnetism inLa2CuO4−y
Vaknin, D., Sinha, S. K., Moncton, D. E., Johnston, D. C., Newsam, J. M., Safinya, C. R., & King, H. E. (1987) · Physical Review Letters · doi:10.1103/physrevlett.58.2802 · Cited by 1,113
Large-nlimit of the Hubbard-Heisenberg model
Marston, J. B., & Affleck, I. (1989) · Physical Review B · doi:10.1103/physrevb.39.11538 · Cited by 498
Pillai, V., Kumar, P., Hou, M. J., Ayyub, P., & Shah, D. O. (1995) · Advances in Colloid and Interface Science · doi:10.1016/0001-8686(94)00227-4 · Cited by 257
Metadata
- Authors
- Jorgensen, J. D., Schüttler, H. B., Hinks, D. G., Capone II, D. W., Zhang, K., Brodsky, M. B., & Scalapino, D. J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1987-03-09
- Volume
- 58
- Issue
- 10
- Pages
- 1024-1027
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2317883521
- Cited by
- 658
- References
- 2
- FWCI
- 41.68
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jorgensen, J. D., Schüttler, H. B., Hinks, D. G., Capone II, D. W., Zhang, K., Brodsky, M. B., & Scalapino, D. J. (1987). Lattice instability and high-Tcsuperconductivity inLa2−xBaxCuO4. Physical Review Letters. https://doi.org/10.1103/physrevlett.58.1024
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